Finding the Fourth Proportional to 117,452.72, 162,085.18 and 63,737.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,452.72 : 162,085.18 = 63,737.72 : x
2. Step 2: Convert to fraction form
   117,452.72/162,085.18 = 63,737.72/x
3. Step 3: Cross multiply
   117,452.72x = 162,085.18 × 63,737.72
4. Step 4: Simplify right side
   117,452.72x = 10,330,939,818.99
5. Step 5: Solve for x
   x = 10,330,939,818.99/117,452.72
6. Step 6: Final answer
   x = 87,958.28